mmc: use assigned major for block device

The MMC block devices now have an assigned major. Make sure
we actually use it.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

drivers/mmc/card/block.c

@@ -45,8 +45,6 @@
  */
 #define MMC_SHIFT	3
 
-static int major;
-
 /*
  * There is one mmc_blk_data per slot.
  */
@@ -466,7 +464,7 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card)
 	md->queue.issue_fn = mmc_blk_issue_rq;
 	md->queue.data = md;
 
-	md->disk->major	= major;
+	md->disk->major	= MMC_BLOCK_MAJOR;
 	md->disk->first_minor = devidx << MMC_SHIFT;
 	md->disk->fops = &mmc_bdops;
 	md->disk->private_data = md;
@@ -634,14 +632,9 @@ static int __init mmc_blk_init(void)
 {
 	int res = -ENOMEM;
 
-	res = register_blkdev(major, "mmc");
-	if (res < 0) {
-		printk(KERN_WARNING "Unable to get major %d for MMC media: %d\n",
-		       major, res);
+	res = register_blkdev(MMC_BLOCK_MAJOR, "mmc");
+	if (res)
 		goto out;
-	}
-	if (major == 0)
-		major = res;
 
 	return mmc_register_driver(&mmc_driver);
 
@@ -652,7 +645,7 @@ static int __init mmc_blk_init(void)
 static void __exit mmc_blk_exit(void)
 {
 	mmc_unregister_driver(&mmc_driver);
-	unregister_blkdev(major, "mmc");
+	unregister_blkdev(MMC_BLOCK_MAJOR, "mmc");
 }
 
 module_init(mmc_blk_init);
@@ -661,5 +654,3 @@ module_exit(mmc_blk_exit);
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Multimedia Card (MMC) block device driver");
 
-module_param(major, int, 0444);
-MODULE_PARM_DESC(major, "specify the major device number for MMC block driver");

include/linux/major.h

@@ -152,6 +152,8 @@
 #define USB_ACM_AUX_MAJOR	167
 #define USB_CHAR_MAJOR		180
 
+#define MMC_BLOCK_MAJOR		179
+
 #define VXVM_MAJOR		199	/* VERITAS volume i/o driver    */
 #define VXSPEC_MAJOR		200	/* VERITAS volume config driver */
 #define VXDMP_MAJOR		201	/* VERITAS volume multipath driver */